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A Comparison of Strategies for the Optimization of a Ship’s Aft Body

AuthorsPloeg, A. van der
Conference/Journal10th International Conference on Computer and IT Applications in the Maritime Industries (COMPIT'11), Berlin
Date2 mei 2011
This paper describes a procedure to optimize ship hull forms based on double body viscous flow computations with a RANS-solver. A flexible and effective definition of parametric hull form variations is used, based on interpolation between basis hull forms. One of the object functions is the estimated required power. In this paper we focus on how to improve this estimate by using the Bseries of propellers. Results of genetic algorithms and systematic variations together with scale effects in the trends are discussed. In addition, we demonstrate how the techniques discussed in this paper may be used to design a model scale hull with a wake field that strongly resembles the wake of a given ship at full scale.


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Auke van der Ploeg

CFD Researcher

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cfd developmentcfd/simulation/desk studiestime-domain simulationsoil and gastransport and shippingresearch and developmentsimulationsresearch